21171 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician KemKem_Beds_Fish_Assemblage Many pieces were collected on

Many pieces were collected on the surface or buried a few cm deep

Find: 2016

Beautiful decorative plate made of polished rock with devonian fossils

” estimated as Maastrichtian in age and two Palaeocene species recently attributed to Euclastes wielandi

Sister taxa: Acherontisuchus

21171 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician KemKem_Beds_Fish_Assemblage Many pieces were collected onXiphosurans are an order of arthropods related to arachnids, or, according to one recent study, actually arachnids. They are sometimes called horseshoe crabs (a name applied more specifically to the only extant family, Limulidae). They first appeared in the Tremadocian (Lower Ordovician) from Fezouata Fm in South Morocco. Currently, there are only four living species. They are members of the order Xiphosura, which contains two suborders, Xiphosurida